Alameda County property record for 4178 Krolop Rd, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,224 sqft · built 1921 |
| Lot Size | 0.488 acres (21,267 sqft) |
| Owner | Individual Name on File |
| Last Sale | $560,000 (Sep 2015) |
| Tax Bill | $8,582 (2025) |
| Deeds & Mortgages | Sep 2018 Mortgage Nov 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 84D-1140-3-1 |
| Primary APN | 84D-1140-3-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,224 sqft Living Area |
| Year Built | Built 1921 |
|---|---|
| Effective Year Built | Effective 1928 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 21,267 sqft (0.488 acres) |
| Garage Type | Carport |
| Carport | Carport |
| Street Address | 4178 KROLOP RD |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-1220 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00001 BLK: 0003 AR: 084D PAGE: 1140 |
| Legal Subdivision | CASTRO VLY ORCHARDS |
| Legal Lot Number | 7 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 430400 |
4178 Krolop Rd is owned and occupied by an individual who bought it in September 2015.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 4178 KROLOP RD, CASTRO VALLEY, CA 94546-1220 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Sep 13, 2018 | Deed of Trust, Mortgage · Conventional Mortgage STEARNS LENDING LLC |
| Nov 25, 2020 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 21, 2015 · Amount on File |
| Deed Sale | Sep 21, 2015 · Amount on File |
| Deed Document Number | 2015257800 |
| Prior Transfer Date | Nov 17, 2006 |
| Prior Transfer Doc | 0000432086 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 4178 KROLOP RD, CASTRO VALLEY, CA 94546-1220 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | WFG NATIONAL TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000179059 |
|---|---|
| Date | Sep 13, 2018 |
| Instrument | 2018179059 |
| Name | STEARNS LENDING LLC |
|---|---|
| Type | Funding / Finance Company |
| Address | SANTA ANA, CA 92707 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Oct 1, 2048 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 4178 KROLOP RD, CASTRO VALLEY, CA 94546-1220 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | WFG NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | 4178 KROLOP RD, CASTRO VALLEY, CA 94546-1220 |
| Document Number | 0000326211 |
|---|---|
| Date | Nov 25, 2020 |
| Instrument | 2020326211 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Dec 1, 2050 |
The 2025 property tax bill for 4178 Krolop Rd was $8,582 with a homeowner's exemption.
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Unified School District | Castro Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $669,165 (+0.94%) Land $202,849 Building $473,316 | ||
| 2025 | $8,582.00 Homeowner's exemption | $662,910 Land $198,873 Building $464,037 | |
| 2023 | $8,249.00 Homeowner's exemption | $637,173 Land $191,152 Building $446,021 | $796,950 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4178 Krolop Rd in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1982.
Source: FEMA National Flood Hazard Layer, effective May 25, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 2 (1982–2022) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire risk around 4178 Krolop Rd is moderate, ranking above 57% of the US, with a 0.2% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 57% of the US · lower than 65% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2021 |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 312 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Etheric Networks, GeoLinks, Sonic Telecom, Unwired.
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